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Light-emitting devices

  • US 6,828,724 B2
  • Filed: 11/11/2002
  • Issued: 12/07/2004
  • Est. Priority Date: 05/17/2000
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing a light-emitting device, comprising:

  • providing a first electroluminescent element for emitting light of a first colour when energised;

    providing a second electroluminescent element for emitting light of a second colour when energised;

    characterised by;

    selecting dimensions of the first and second elements and any spacing therebetween to create an overall impression of a single light source when simultaneously energised and viewed as intended.

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